From: Bit Gossip (bit.gossip@chello.nl)
Date: Sat Jul 28 2007 - 04:32:13 ART
Just labbed and it works like a charm.
So probably it would work also with 2 statics on R1
ip route 172.16.124.2 255.255.255.255 s5/0.102
ip route 172.16.124.4 255.255.255.255 s5/0.101
Bit.
----- Original Message -----
From: "Digital Yemeni" <digital.yemeni@gmail.com>
To: <ccielab@groupstudy.com>
Sent: Saturday, July 28, 2007 9:17 AM
Subject: Re: Frame-relay subinterface with same subnet
> How can that be?! Didn't the prompt you that you you can't configure
> overlapping IPs? Or you're using Juniper router? :-)
>
> On 7/28/07, CCIE 19999 <ccie@iprimus.com.au> wrote:
>>
>> Nagendra,
>>
>> At this point, the pings would fail, because R1 alternates the reply to
>> two
>> different sub-interfaces. Go ahead and add these interfaces to OSPF
>> point-to0multipoint interfaces, and this will create 2 point to point
>> links.
>> One between R1 and R4 and the other between R1 and R2 with host routes in
>> R1. Now if you ping, you will not see any failed pings.
>>
>> HTH,
>> Shine
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> nagendra kumar
>> Sent: Friday, 27 July 2007 7:51 PM
>> To: ccielab@groupstudy.com
>> Subject: Frame-relay subinterface with same subnet
>>
>> Hi All,
>>
>> R1
>> (172.16.124.1/24) - DLCI 104 | (172.16.124.3/24) - DLCI 102
>> |
>> R4---------FRSW-----------R2
>> (172.16.124.2/24) - DLCI 201
>> (172.16.124.4/24) - DLCI 401
>>
>> In the above mentioned topology, I have to configure 2 sub interface in
>> R1 one to R4 and other to R2 with ip addr from same subnet. The solution
>> seems to have configured with point-to-point subinterface in R1
>> physical
>> interface in other routers.
>>
>> But when I try it in my setup, I am missing alternate packets. I have
>> copied the configs below. Can some one throw more lights on how to
>> solve
>> this issue.
>>
>> Configuration:
>> ===========
>> R1#sh run int s5/0.101
>> Building configuration...
>>
>> Current configuration : 120 bytes
>> !
>> interface Serial5/0.101 point-to-point
>> ip address 172.16.124.1 255.255.255.0
>> frame-relay interface-dlci 104
>> end
>>
>> R1#sh run int s5/0.102
>> Building configuration...
>>
>> Current configuration : 120 bytes
>> !
>> interface Serial5/0.102 point-to-point
>> ip address 172.16.124.3 255.255.255.0
>> frame-relay interface-dlci 102
>> end
>>
>> R1#sh fram pvc 104 | inc STAT
>> DLCI = 104, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
>> Serial5/0.101
>> R1#sh fram pvc 102 | inc STAT
>> DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
>> Serial5/0.102
>> R1#ping 172.16.124.4
>>
>> Type escape sequence to abort.
>> Sending 5, 100-byte ICMP Echos to 172.16.124.4, timeout is 2 seconds:
>> !.!.!
>> Success rate is 60 percent (3/5), round-trip min/avg/max = 40/40/40 ms
>> R1#
>> R1#sh fram map
>> Serial5/0.101 (up): point-to-point dlci, dlci 104(0x68,0x1880),
>> broadcast
>> status defined, active
>> Serial5/0.102 (up): point-to-point dlci, dlci 102(0x66,0x1860),
>> broadcast
>> status defined, active
>> R1#
>>
>> R4#sh run int s5/0
>> Building configuration...
>>
>> Current configuration : 335 bytes
>> !
>> interface Serial5/0
>> ip address 172.16.124.4 255.255.255.0
>> encapsulation frame-relay
>> serial restart-delay 0
>> no dce-terminal-timing-enable
>> frame-relay map ip 172.16.124.1 401 broadcast
>> no frame-relay inverse-arp IP 402
>> no frame-relay inverse-arp IP 403
>> no frame-relay inverse-arp IP 405
>> no frame-relay inverse-arp IP 502
>> end
>>
>> R4#sh fram pvc | inc 401
>> DLCI = 401, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
>> Serial5/0
>> R4#sh fram map
>> Serial5/0 (up): ip 172.16.124.1 dlci 401(0x191,0x6410), static,
>> broadcast,
>> CISCO, status defined, active
>> R4#
>>
>> R2#
>> R2#sh run int s5/0
>> Building configuration...
>>
>> Current configuration : 300 bytes
>> !
>> interface Serial5/0
>> ip address 172.16.124.2 255.255.255.0
>> encapsulation frame-relay
>> serial restart-delay 0
>> no dce-terminal-timing-enable
>> frame-relay map ip 172.16.124.3 201 broadcast
>> no frame-relay inverse-arp IP 203
>> no frame-relay inverse-arp IP 204
>> no frame-relay inverse-arp IP 213
>> end
>>
>> R2#sh fram pvc | inc 201
>> DLCI = 201, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
>> Serial5/0
>> R2#sh fram map
>> Serial4/3 (up): ip 172.16.25.5 dlci 205(0xCD,0x30D0), dynamic,
>> broadcast,
>> CISCO, status defined, active
>> Serial5/0 (up): ip 172.16.124.3 dlci 201(0xC9,0x3090), static,
>> broadcast,
>> CISCO, status defined, active
>> R2#
>>
>> Am I missing something here?
>>
>> Regards,
>> Nagendra
>>
>>
>>
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>
>
>
> --
> Best Regards
>
> Digital, CCIEx1 (4 more to go! a 10 years project! SP in progress...)
>
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This archive was generated by hypermail 2.1.4 : Sat Aug 18 2007 - 08:17:42 ART